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Siennica, Nowy Dwór Mazowiecki County
Siennica
is a
village
in the
administrative district
of
Gmina Nasielsk
, within
Nowy Dwór Mazowiecki County
,
Masovian Voivodeship
, in east-central
Poland
. It
lies
approximately
south
of
Nasielsk
,
north-east
of
Nowy Dwór Mazowiecki
, and
north
of
Warsaw
.
The village
has a population of
360
.
