Latvia–Russia border  Latvia–Russia border is the state border between Republic of Latvia (EU member) and the Russian Federation (CIS member). The length of the border is 214 km. The access-restricted Border Security Zone of Russia lies along the border on the Russian side. In order to visit this zone, a permit issued by the local FSB department is required (the only exceptions are international border transit points). The Pskov region and Latvia have had historical ties since the founding of the Pskov Republic in the 13th century. From 1925 to 1945 Abrene County was part of the Republic of Latvia. On 16 January 1945, the area was transferred from the Latvian Soviet Socialist Republic to Pskov Oblast and renamed Pytalovsky District. Ever since Latvia regained independence, Latvia claimed the previous Latvian territory, on the basis of the 1920 Treaty of Riga. In 2007 a treaty on the Russian-Latvian state border was signed and ratified, and the Pytalovsky District remains part of Russia. Passage of the state border between the Russian Federation and the Republic of Latvia is determined on the basis of arrangements. According to the agreement on the Russian-Latvian State Border, the state border between Latvia and Russia starting from the intersection point of the state borders of Latvia, Russia and Belarus, and ends with the joint borders of Latvia, Russia and Estonia. Latvia borders only one oblast of Russia, the Pskov Oblast. Russia borders seven Latvian municipalities. Crossing the border is allowed only at border controls. Most people need a visa on one or both sides of the border. Listed from north:  Border crossings can also be done by air travel. The only international airport in Latvia is Riga International Airport which has scheduled flights among other places to Moscow and Saint Petersburg. The airports at Daugavpils, Liepāja, Jūrmala-Tukuma and Ventspils are also registered as border crossing points.