located_on_terrain_feature olib
Zadar ( see other names ) is the oldest continuously inhabited city in ___MASK41___ . It is situated on the ___MASK59___ , at the northwestern part of Ravni Kotari region . Zadar serves as the seat of Zadar County and the wider northern Dalmatian region . The city proper covers with a population of 75 , 082 in 2011 , making it the fifth largest city in the country . Rijeka ( see other names ) is the principal seaport and the third - largest city in ___MASK41___ ( after Zagreb and Split ). It is located on Kvarner Bay , an inlet of the ___MASK59___ and has a population of 128 , 624 inhabitants ( 2011 ). The metropolitan area , which includes adjacent towns and municipalities , has a population of more than 240 , 000 . Ravni Kotari is a geographical region in ___MASK41___ . It lies in northern Dalmatia , around Zadar and east of it . It is bordered by Bukovica to the northeast , lower Krka to the southeast , and the ___MASK59___ . The largest settlement in the region is the town of Benkovac . Other large settlements are Zemunik Donji ( where Zadar Airport is located ), Polaa , Polinik , Galovac , Gorica , Škabrnja , Posedarje , Pridraga , Novigrad , and Stankovci . Lošinj is a Croatian island in the northern ___MASK59___ , in the Kvarner Gulf . It is almost due south of the city of Rijeka and part of the Primorje - Gorski Kotar County . Silba is an island in ___MASK41___ with an area of 15 km , northern Dalmatia , south - east of Lošinj , between the islands of Premuda and Olib . It has a Mediterranean climate with 2570 hours a year of sunshine . Most summer days are hot , bright and clear with light westerly Maestral wind cooling the island in the afternoons . Dalmatia (; see names in other languages ) is one of the four historical regions of ___MASK41___ , alongside ___MASK41___ proper , Slavonia , and Istria . ___MASK41___ , officially the Republic of ___MASK41___ , is a sovereign state between ___MASK87___ , Southeast Europe , and the Mediterranean . Its capital city is Zagreb , which forms one of the country ' s primary subdivisions , along with its twenty counties . ___MASK41___ covers and has diverse , mostly continental and Mediterranean climates . ___MASK41___ ' s ___MASK59___ coast contains more than a thousand islands . The country ' s population is 4 . 28 million , most of whom are Croats , with the most common religious denomination being Roman Catholicism . The ___MASK59___ is a body of water separating the Italian Peninsula from the Balkan peninsula and the Apennine Mountains from the Dinaric ___MASK95___ and adjacent ranges . The Adriatic is the northernmost arm of the ___MASK36___ , extending from the Strait of Otranto ( where it connects to the Ionian Sea ) to the northwest and the Po Valley . The countries with coasts on the Adriatic are Albania , ___MASK18___ and Herzegovina , Croatia , Greece , Italy , Montenegro and Slovenia . The Adriatic contains over 1 , 300 islands , mostly located along its eastern , Croatian , coast . It is divided into three basins , the northern being the shallowest and the southern being the deepest , with a maximum depth of . The Otranto Sill , an underwater ridge , is located at the border between the Adriatic and Ionian Seas . The prevailing currents flow counterclockwise from the Strait of Otranto , along the eastern coast and back to the strait along the western ( Italian ) coast . Tidal movements in the Adriatic are slight , although larger amplitudes are known to occur occasionally . The Adriatic ' s salinity is lower than the Mediterranean ' s because the Adriatic collects a third of the fresh water flowing into the Mediterranean , acting as a dilution basin . The surface water temperatures generally range from in summer to in winter , significantly moderating the Adriatic Basin ' s climate . ___MASK41___ proper is one of the four historical regions of the Republic of ___MASK41___ , together with Dalmatia , Slavonia , and Istria . It is located between Slavonia in the east , the ___MASK59___ in the west , and Dalmatia to the south . The region is not officially defined , and its borders and extent are described differently by various sources . ___MASK41___ proper is the most significant economic area of the country , contributing well over 50 % of ___MASK41___ ' s gross domestic product . The capital of both ___MASK41___ proper , and the Republic of ___MASK41___ , Zagreb , is the largest city and most important economic centre in the region . Zadar County is a county in ___MASK41___ , it encompasses northern Dalmatia and southeastern Lika . Its center is the city of Zadar . Istria ( Croatian , Slovene : " Istra "; Istriot : " Eîstria "; German : " Istrien "), formerly " Histria " ( Latin ), is the largest peninsula in the ___MASK59___ . The peninsula is located at the head of the Adriatic between the Gulf of Trieste and the Kvarner Gulf . It is shared by three countries : ___MASK41___ , Slovenia , and Italy . A mediterranean climate or dry summer climate is the climate typical of the lands in the Mediterranean Basin . The lands around the ___MASK36___ form the largest area where this climate type is found , but it also is found in most of coastal California , in parts of Western and South Australia , in southwestern South Africa , sections of Central ___MASK97___ , and in central Chile . Slavonia is , with Dalmatia , ___MASK41___ proper , and Istria , one of the four historical regions of ___MASK41___ . Taking up the east of the country , it roughly corresponds with five Croatian counties : Brod - Posavina , Osijek - Baranja , Požega - Slavonia , Virovitica - Podravina and Vukovar - Srijem , although the territory of the counties includes Baranya , and the definition of the western extent of Slavonia as a region varies . The counties cover or 22 . 2 % of ___MASK41___ , inhabited by 806 , 192  18 . 8 % of ___MASK41___ ' s population . The largest city in the region is Osijek , followed by Slavonski Brod and Vinkovci . It is located in the Pannonian Basin , largely bordered by the Danube , Drava and Sava rivers . In the west , the region consists of the Sava and Drava valleys , and the mountains surrounding the Požega Valley , and plains in the east . Slavonia enjoys a moderate continental climate , with relatively low precipitation . The Kvarner Gulf ( or ', or ), sometimes also Kvarner Bay , is a bay in the northern ___MASK59___ , located between the Istrian peninsula and the northern Croatian Littoral ___MASK76___ . The bay is a part of ___MASK41___ ' s internal waters . Olib ( pronounced (   lib ) ; Italian : Ulbo ) is an island in northern Dalmatia , located northwest of Zadar , southwest of Pag , southeast of Lošinj and just east of Silba with an area of 26 . 14 km2 . The population is 140 . Premuda is a small island in ___MASK41___ , off the northern Adriatic ___MASK31___ . It belongs to the north Dalmatian islands which are situated north - west from the county center Zadar . Premuda is approximately long , up to wide , and has an area of . It is situated southwest of Silba and northwest of Škarda and is the last island before the Italian coastline . Primorje - Gorski Kotar County is a county in western ___MASK41___ that includes the Bay of Kvarner , the surrounding Northern Croatian Littoral , and the mountainous region of Gorski kotar . Its center is Rijeka . The county ' s population was 296 , 195 in the 2011 census . Historical regions ( or historical countries ) are delimitations of geographic areas for studying and analysing social development of period - specific cultures without any reference to contemporary political , economic or social organisations . The fundamental principle underlying this view is that older political and mental structures exist which exercise greater influence on the spatial - social identity of individuals than is understood by the contemporary world , bound to and often blinded by its own worldview - e . g . the focus on the nation - state . Definitions of regions vary , and regions can include macroregions such as ___MASK14___ , territories of traditional states , or smaller microregional areas . A geographic proximity is the often required precondition for emergence of a regional identity . In ___MASK14___ the regional identities are often derived from the Migration Period , but for the contemporary perspective are related to the 1918 - 1920 time of territorial transformation , and another in the post - Cold War period .