Croatia ( ; ), officially the
Republic of Croatia (, ), is a
sovereign state at the crossroads of
Central Europe,
Southeast Europe, and the
Mediterranean. Its
capital city is
Zagreb, which forms one of the country's
primary subdivisions, along with its
twenty counties. Croatia covers and has diverse, mostly
continental and
Mediterranean climates. Croatia's
Adriatic Sea 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.