What is Vrelo (Babušnica)?
{{Infobox settlement | official_name = Vrelo | native_name = Врело | other_name = | settlement_type = Village | image_skyline = | imagesize = | image_caption = | image_flag = | flag_size = | image_seal = | seal_size = | nickname = | motto = | image_map = | mapsize = | map_caption = | pushpin_map = Serbia | pushpin_label_position = bottom | pushpin_mapsize = | pushpin_map_caption = | coordinates = {{coord|42|59|13|N|22|20|57|E|display=inline}} | subdivision_type = Country | subdivision_name = {{flag|Serbia}} | subdivision_type1 = [[Districts of Serbia|District]] | subdivision_type2 = [[Municipalities of Serbia|Municipality]] | subdivision_type3 = | subdivision_name1 = [[Šumadija]] | subdivision_name2 = [[Babušnica]] | subdivision_name3 = | established_title = | established_date = | government_footnotes = | government_type = | leader_title = | leader_name = | unit_pref = Imperial | area_footnotes = | area_magnitude = | area_total_km2 = | area_land_km2 = | elevation_footnotes = | elevation_m = | elevation_ft = | population_total = 141 | population_as_of = 2002 | population_footnotes = | population_density_km2 = | population_note = | postal_code_type = | po