Which country does the kingdom of roses refer to?

The Kingdom of Roses refers to Bulgaria.

Bulgaria * * * Republic of China, referred to as Bulgaria. It is a country in the southeast of Balkan Peninsula in southeastern Europe, bordering Romania, Serbia, northern Macedonia, Greece and Turkey, and bordering the Black Sea in the east. The land area is 111, square kilometers. Bulgaria has 28 regions and 265 cities, with Sofia as its capital. In 221, the population of Bulgaria was 6.83 million.

the lowlands, hills and mountains each account for about 1/3. In the southwest is the Lodobi Mountains, and its Musala peak is 2925 meters high, which is the highest point in Bulgaria and the Balkans. The average elevation in Bulgaria is 47 meters. The Balkan Mountains run through the central part, with the broad Danube Plain in the north and the Lowlands of Rodopi Mountain and Maricha River Valley in the south. The main mountains are the Lira Mountains. Bulgaria is also called the Kingdom of Roses.

regional location of Bulgaria

Bulgaria is located in the southeast of Balkan Peninsula in Europe. It borders Romania in the north (Danube River is the border), Turkey and Greece in the southeast, Serbia (a member of the former Yugoslavia) in the northwest, North Macedonia (a member of the former Yugoslavia) in the southwest and the Black Sea in the east.

the area is 111, square kilometers, and the coastline is 378 kilometers long. Danube River is the border river between Bulgaria and Romania. Balkan mountains (meaning "mountainous place" and called "Laoshan" in Bulgaria) divided Bulgaria into the Danube Plain in the north and the Thrace Lowland in the south.

the above contents refer to Baidu encyclopedia-Baidu encyclopedia.