Bulgaria

A card from Christina (thank you!).

So, this is a view of Sofia, the capital, one of the oldest city in Europe. Interesting facts about name:

Sofia was first mentioned in the sources as Serdica in relation to Marcus Licinius Crassus' campaigns in 29 BC. The name Serdica or Sardica (Σερδική, Σαρδική) was popular in Latin, Ancient Greek and Byzantine Greek sources from Antiquity and the Middle Ages; it was related to the local Thracian tribe of the Serdi. The name was last used in the 19th century in a Bulgarian text, Service and hagiography of Saint George the New of Sofia: ВЪ САРДАКІИ. Another of Sofia's names, Triaditsa (Τριάδιτζα), was mentioned in Greek medieval sources. The Bulgarian name Sredets (СРѢДЄЦЪ), an adaptation of Serdica, first appeared in the 11th-century Vision of Daniel and was widely used in the Middle Ages. The current name Sofia was first used in the 14th-century Vitosha Charter of Bulgarian tsar Ivan Shishman or in a Ragusan merchant's notes of 1376; it refers to the famous Hagia Sophia Church, an ancient church in the city named after the Christian concept of the Holy Wisdom. Although Sredets remained in use until the late 18th century, Sofia gradually overcame the Slavic name in popularity.