Belogradchik dialect explained

The Belogradchik dialect is a Bulgarian dialect, member of the Transitional dialects, which is spoken on the westernmost northern slopes of the Balkan Mountains in northwestern Bulgaria. It borders on the Northwestern Byala Slatina-Pleven and Vidin-Lom dialect and north, the Sofia dialect to the southeast and the Serbian Torlak dialect to the southwest.

Phonological and morphological characteristics

Vocalic r and l for Old Church Slavonic Church Slavic; Old Slavonic; Church Slavonic; Old Bulgarian; Old Church Slavonic: ръ/рь and Church Slavic; Old Slavonic; Church Slavonic; Old Bulgarian; Old Church Slavonic: лъ/ль instead of the combinations Bulgarian: ръ/ър (pronounced as /rə/~pronounced as /ər/) and Bulgarian: лъ/ъл (pronounced as /lə/~pronounced as /əl/) in Standard Bulgarian (as in the Northwestern dialects): дрво, слза instead of Bulgarian: дърво, сълза (tree, tear)
Definite articles -ът, -та, -то, -те as in Standard Bulgarian
The pronoun for 3rd person, sing. feminine agglomerative is г҄у, н҄у ^[1] instead of я and the pronoun for 3rd person plural dative is г҄им, г҄ум instead of им

For other phonological and morphological characteristics typical for all Transitional dialects, cf. Transitional Bulgarian dialects.

Стойков, Стойко: Българска диалектология, Акад. изд. "Проф. Марин Дринов", 2006 http://www.promacedonia.org/jchorb/st/st_2_b_zap_3.htm#belogradchishki