Ustrem
{{Infobox settlement
| official_name = Ustrem
| native_name =
| settlement_type = Village
| image_skyline =Holy trinity monastery topolovgrad.jpg
| image_caption =The Holy Trinity Monastery, close by Topolovgrad, Bulgaria
| image_flag =
| image_seal =
| image_map =
| mapsize =
| map_caption =
| pushpin_map = Bulgaria
| pushpin_map_size =
| pushpin_label_position = Location in Bulgaria
| subdivision_type = Country
| subdivision_name = {{flag|Bulgaria}}
| subdivision_type1 = Province
| subdivision_name1 = Haskovo Province
| subdivision_type2 = Municipality
| subdivision_name2 = Topolovgrad
| leader_title =
| leader_name =
| area_total_km2 =
| population_as_of = 2007
| population_note =
| population_total =
| population_footnotes =
| population_metro =
| population_density =
| timezone = EET
| utc_offset = +2
| timezone_DST = EEST
| utc_offset_DST = +3
| coordinates = {{coord|42|01|N|26|28|E|display=it|region:BG_type:city_source:GNS-enwiki}}
| elevation_m =
| website =
| footnotes =
| name =
}}
Ustrem is a village in the municipality of Topolovgrad, in Haskovo Province, in southern Bulgaria.[http://www.guide-bulgaria.com/SC/Haskovo/Topolovgrad Guide Bulgaria], Accessed May 24, 2010