Jacinto Aráuz was founded on 6 April 1889. It was named after Jacinto Aráuz upon whose land the town was built. The first train arrived there on 29 January 1891. The earliest settlers there were Italians who had originally settled in Uruguay.

In the early 1930s, following several years of drought, Volga German families who had settled earlier in the rural areas of La Pampa Province resettled to towns and villages like Jacinto Aráuz in search of work.

Volga German descendants settled in Inés y Carlota.

Villa Alba was founded on 16 August 1901. The name was changed to General San Martín in 1944, in honor of Liberator General José de San Martín (1778-1850).

General San Martín is located in the heart of Argentine wheat country. It is also an important production center for salt with the nearby "La Colorada Grande" salt mine. In November each year there is a festival called the "Salt Feast."

Barón was founded in the Quemú Quemú Departmento (District) of La Pampa Province on 21 March 1915, 80 kilometers from Santa Rosa. It was named after French farmer Wilfred Barón, father of writer and politician Raúl Barón Biza.

The group of Volga Germans that founded Alpachiri had originally settled in Villa Alba when they immigrated from Russia in 1906. In 1920, the lease on the land they were renting there expired, and the group (29 families including 149 children) moved to Alpachiri. Alpachiri had been officially founded on 1 May 1910.

Due to drought and poverty, 16 families left in 1929 and moved to Stroeder, Villalonga, Patagones in Buenos Aires Province.

In the early 1930s, following several years of drought, Volga German families who had settled earlier in the rural areas of La Pampa Province resettled to larger towns and villages like Algarrobo in search of work.

It is not known exactly when settlers began arriving at Viale. By provincial decree, the train station was designated as Estación Viale on 7 July 1906 in honor of the former owner of the land upon which the station was located: Victorino Viale.

Many Volga German families settled in and around Viale.

The Volga German colony of Valle María, located in the Province of Entré Rios, was founded on 21 July 1878. The initial group of 202 settlers was led by Peter (Pedro) Salzmann. Its founders named the new village Mariental after the colony in Russia from which the majority of the founding families immigrated.

In April & May 1895, the bridge over Crespo Creek was built over which Route 11 now passes linking the village to Diamante and Paraná.

On 23 September 1890, a train station was opened at Villa Florida. On the other side of the tracks was the village of Villa Mitre. Following the 1895 National Argentine Census, the two were unified under the name Urdinarrain, after Manuel Antonio Urdinarrain (1800-1869), a general in the Argentine Civil Wars.

Many Volga German families have settled in Urdinarrain.

The village of Strobel is named in honor of Pellegrini Strobel (1821-1905), an Italian geologist and paleontologist who served as a professor at the University of Buenos Aires. It was founded on 9 May 1916 just north of Diamante.