Siennica, Gmina Nasielsk

Wągrodno [vɔŋˈɡrɔdnɔ] is a village in the administrative district of Gmina Nasielsk, within Nowy Dwór County, Masovian Voivodeship, in east-central Poland.

Nowa Wieś [ˈnɔva ˈvjɛɕ] is a village in the administrative district of Gmina Nasielsk, within Nowy Dwór County, Masovian Voivodeship, in east-central Poland.

Nasielsk railway station is a railway station in Nowe Pieścirogi, Nowy Dwór, Masovian, Poland. It is served by Koleje Mazowieckie. It has eight main tracks, plus a pair of side tracks and a ramp on its southern part. There used to be a locomotive house in its northern part, but it was dismantled and access to it is no longer available.

Nasielsk [ˈnaɕɛlsk] is a town in Masovian Voivodeship, in central Poland. It the seat of Gmina Nasielsk in Nowy Dwór County.

Cegielnia Psucka [t͡sɛˈɡʲɛlɲa ˈpsut͡ska] is a village in the administrative district of Gmina Nasielsk, within Nowy Dwór County, Masovian Voivodeship, in east-central Poland.

Budy Siennickie [ˈbudɨ ɕɛnˈnit͡skʲɛ] is a village in the administrative district of Gmina Nasielsk, within Nowy Dwór County, Masovian Voivodeship, in east-central Poland.

Mogowo [mɔˈɡɔvɔ] is a village in the administrative district of Gmina Nasielsk, within Nowy Dwór County, Masovian Voivodeship, in east-central Poland.

Gmina Nasielsk is an urban-rural gmina (administrative district) in Nowy Dwór County, Masovian Voivodeship, in east-central Poland. Its seat is the town of Nasielsk, which lies approximately 21 kilometres (13 mi) north-east of Nowy Dwór Mazowiecki and 45 km (28 mi) north of Warsaw. The gmina covers an area of 202.47 square kilometres (78.2 sq mi), and as of 2006 its total population is 19,259 (out of which the population of Nasielsk amounts to 7,364, and the population of the rural part of the gmina is 11,895).

The Battle of Nasielsk was fought on August 14 and August 15 of 1920 between Polish and Soviet forces. The Polish launched a counterattack against Soviet forces who were besieging Warsaw. Polish General Władysław Sikorski, commanding the Fifth Army, consisting of three infantry and two cavalry divisions, was given the task of containing the Soviet right wing formed by the Soviet 4th, 15th, and 3rd Armies, consisting of twelve infantry and two cavalry divisions. The Poles took the offensive on the morning of 14 Aug., crossing the Wkra and Vistula Rivers. Gen. Karnicki raided Ciechanów and captured the Soviet IV Army's plans and cyphers. On 16 Aug., Sikorski entered Nasielsk, using tanks, armoured cars, and two armoured trains. On 18 Aug. he neared his objectives on the Orzyc and Narew Rivers. Sikorski's attacks allowed Pilsudski to launch his strike force on 16 Aug. Sikorski "had ensured the clearance of the Vistula bridgehead and the success of the counter-offensive from the Wieprz. The Soviets withdrew their 15th and 3rd armies, and abandoned the 4th Army to its fate.

Kosewo [kɔˈsɛvɔ] is a village in the administrative district of Gmina Nasielsk, within Nowy Dwór County, Masovian Voivodeship, in east-central Poland.

Paulinowo [pau̯liˈnɔvɔ] is a village in the administrative district of Gmina Nasielsk, within Nowy Dwór County, Masovian Voivodeship, in east-central Poland.

Studzianki [stuˈd͡ʑaŋki] is a village in the administrative district of Gmina Nasielsk, within Nowy Dwór County, Masovian Voivodeship, in east-central Poland.