Place
- Bulgaria, Europe3
- Sliven Province, Bulgaria3
- Sliven, Bulgaria3
- Albania, Europe1
- Alexandria, Egypt1
- Algeria, Africa1
- Angola, Africa1
- Armenia, Asia1
- Athens, Greece1
- Austria, Europe1
- Azerbaijan, Europe1
- Baku, Azerbaijan1
- Berlin, Germany1
- Berne, Switzerland1
- Bizerte, Tunisia1
- Black Sea, Asia1
- Bosnia and Herzegovina, Europe1
- Burgas Province, Bulgaria1
- Cairo, Egypt1
- Chicago, Illinois, United States, Americas, North America1