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Kosianka-Trojanówka
Kosianka-Trojanówka
is a
village
in the
administrative district
of
Gmina Grodzisk
, within
Siemiatycze County
,
Podlaskie Voivodeship
, in
north-eastern
Poland
. It
lies
approximately
west
of
Grodzisk
,
north-west
of
Siemiatycze
, and
south-west
of the
regional
capital
Białystok
.
The village
has a population of
30
.