Rijeka

Rijeka is the principal seaport and the third-largest city in Croatia. It is located in Primorje-Gorski Kotar County on Kvarner Bay, an inlet of the Adriatic Sea and in 2021 had a population of 107,964 inhabitants. Historically, because of its strategic position and its excellent deep-water port, the city was fiercely contested, especially between the Holy Roman Empire, the Republic of Venice, the Kingdom of Italy and Yugoslavia, changing rulers and demographics many times over centuries. According to the 2021 census data, 85% of its citizens are Croats, along with small numbers of Serbs, Bosniaks and Italians.Wikipedia

Primorje – Gorski Kotar County is a county in west Croatia, most of it based in the historical and cultural region called Croatia proper and some of it in Istria, including 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 at the 2011 census.Wikipedia