   vidin province () is the northwesternmost province of bulgaria. it borders serbia to the west and romania to the northeast. its administrative centre is the city of vidin on the danube river. the area is divided into 11 municipalities. as of december 2009, the province has a population of 108,067 inhabitants. bulgarian national statistical institute - bulgarian provinces and municipalities in 2009 âworldcitypopulationââpop-stat.mashke.orgâ there are remains of many castles, some of which are baba vida, one of the last bulgarian strongholds during the ottoman invasion and the belogradchik fortress. ==municipalities==  the vidin province contains 11 municipalities (singular: oÐ±ÑÐ¸Ð½Ð°, obshtina - plural: oÐ±ÑÐ¸Ð½Ð¸, obshtini). the following table shows the names of each municipality in english and cyrillic, the main town (in bold) or village, and the population of each as of december 2009. {| class="wikitable sortable" ! municipality ! cyrillic ! pop. ! town/village ! pop. bulgarian national statistical institute - bulgarian towns in 2009âpop-stat.mashke.orgâ bulgarian national statistical institute - bulgarian villages under 1000 inhabitants - december 2009 |- | align="center" |belogradchik | align="center" |ÐÐµÐ»Ð¾Ð³ÑÐ°Ð´ÑÐ¸Ðº | align="center" | 7,045 | align="center" |belogradchik | align="center" | 5,334 |- | align="center" |boynitsa | align="center" |ÐÐ¾Ð¹Ð½Ð¸ÑÐ° | align="center" | 1,717 | align="center" |boynitsa | align="center" | 595 |- | align="center" |bregovo | align="center" |ÐÑÐµÐ³Ð¾Ð²Ð¾ | align="cente
Provinces_of_Bulgaria