Brka
Brka is a village in the municipality of Brčko, Bosnia and Herzegovina.
It is also a name of the river, right tributary of river Sava, flowing through municipality of Brčko and emptying into Sava within city limits of Brčko.
Kalleh Sar, Qazvin
Kalleh Sar( also Romanized as Kolah Sar) is a village in Hesar -e Valiyeasr Rural District, Central District, Avaj County, Qazvin Province, Iran.
At the 2006 census, its population was 43, in 10 families.
Kalleh Jub-e Hajj Ali
Kalleh Jub -e Hajj Ali( also Romanized as Kalleh Jūb- e Hājj ʿ Alī; also known as Kaleh Jūb and Kalleh Jūb -e Chaghalvandī) is a village in Beyranvand- e Jonubi Rural District, Bayravand District, Khorramabad County, Lorestan Province, Iran.
At the 2006 census, its population was 31, in 7 families.
Pelt-e Kalleh Sar
Pelt -e Kalleh Sar( also Romanized as Pelţ- e Kalleh Sar; also known as Pelt -e Kalleh Sarā) is a village in Siahkalrud Rural District, Chaboksar District, Rudsar County, Gilan Province, Iran.
At the 2006 census, its population was 69, in 24 families.
Kalleh Kavi
Kalleh Kavi( also Romanized as Kalleh Kāvī; also known as Kaleh Gāvī and Kalleh Gāvī) is a village in Kani Bazar Rural District, Khalifan District, Mahabad County, West Azerbaijan Province, Iran.
At the 2006 census, its population was 225, in 37 families.
Kallah Sakan, Chabahar
Kallah Sakan( also Romanized as Kallah Sakān, Kalleh Sakan, and Kalleh Sakān; also known as Kalīsagān, Kalsakān, and Kelīsgān) is a village in Pir Sohrab Rural District, in the Central District of Chabahar County, Sistan and Baluchestan Province, Iran.
At the 2006 census, its population was 615, in 108 families.
Kalleh Sar, Hamadan
Kalleh Sar( also known as Galleh Sar) is a village in Mofatteh Rural District, in the Central District of Famenin County, Hamadan Province, Iran.
At the 2006 census, its population was 434, in 106 families.
Grbavica (Brčko)
Grbavica is a village in the municipality of Brčko, Bosnia and Herzegovina.
Kalleh Sar, Tehran
Kalleh Sar is a village in Shahrabad Rural District, in the Central District of Firuzkuh County, Tehran Province, Iran.
At the 2006 census, its existence was noted, but its population was not reported.
Kolsar
Kolsar( also Romanized as Kal Sar; also known as Kalleh Sar, Koliser, and Kol Sar -e Bālā) is a village in Kasma Rural District, in the Central District of Sowme'eh Sara County, Gilan Province, Iran.
At the 2006 census, its population was 424, in 117 families.

Question: Are both Grbavica (Brčko) and Kalleh Sar, Hamadan located in the same country?
Answer: no