Ortsevo is a remote village in the municipality of Belitsa, in Blagoevgrad Province, Bulgaria. It is located in the western Rhodope Mountains, approximately 23 kilometers east of Belitsa and 87 kilometers southeast of Sofia. As of 2010 it had a population of 213 people. The population is Muslim of Bulgarian origin. Ortsevo's village square is situated at ca. 1,550 m above sea level and some of the houses lie at ca. 1,640 m. This makes it the highest permanently inhabited village in Bulgaria and all of the Balkans (the slightly higher village of Chamla lies at ca. 1,650 m, but has been abandoned since the 1980s).