Area : 237 500 km² . Romania is a country located in Southeastern and Central Europe, North of the Balkan Peninsula, on the Lower Danube. It shares a border with Hungary and Serbia to the west, Ukraine and the Republic of Moldova to the northeast, and Bulgaria to the south. Population : 21.5 million . Ethnically, the population is 90% Romanian and 7% Hungarian. Capital : Romania has a climate that is transitional between temperate and continental with four distinct seasons. Language : In Romania there are several spoken languages. Beside Romanian, the only official language nationwide, other spoken languages include Hungarian, Romani, Ukrainian, and German. Climate : Spring is pleasant with cool mornings and nights and warm days. Summers are generally very warm to hot. Autumn is dry and cool. Winters can be cold. Religion : Romania is a secular state, thus having no national religion. The dominant religious body is the Romanian Orthodox Church, an autocephalous church. Other important Christian denominations include Roman Catholicism, Protestantism, Pentecostalism and the Romanian Greek-Catholic Church. Romania also has a Muslim minority concentrated in Dobrogea. Political system : Romania is a semi-presidential democratic republic where executive functions are shared between the president and the prime minister.