District Sofia is a district of Bulgaria. It is also often called the Sofia-city district. It covers an area of 1 348.9 km². Its population amounts to 1 291 591 people, making it the most populated area in Bulgaria. The majority - 1 202 761 or  93.4% of the inhabitants of the district live in Sofia.

To the north, east, west and southeast borders the Sofia region and to the southwest with the Pernik region. Includes only the Metropolitan Municipality.

The postal codes in the Sofia-city district are from 1000 to 1999, separated in several postal areas. The Vehicle Code is C, CA or СВ and the СВ code enters into force from mid-November 2014.

Population

Sofia is the largest city on the territory of Bulgaria. In 1870, it is inhabited by about 19 000 inhabitants, while the largest town at that time was Stara Zagora, which before the burning (1877) numbered 25 480 inhabitants. Several years after the Liberation, the town step by step began to grow with migrants from all over Bulgaria, but mainly from Radomir, Tran, Orhaniya region, Breznitsa region, Samokov and Tsaribrodsko. In the period from 1900 to 1946, the city's population suffered the largest increase - from about 68 000 to over half a million.

Today, the population of Sofia region, according to official data from 2011, is 1 359 520 inhabitants. According to counting  data in 2001, 1 177 577 people live in Sofia region, of which 559 229 are men (47.5%), and 618 348 are women (52.5%), or 1 000 are 1106 women . In the city of Sofia live 1 094 410 people – 518 149 men and 576 261 women. The largest region is Lyulin with 120 117 inhabitants, followed by Mladost with 110 877 inhabitants, Poduyane with 75 312 inhabitants and Krasno selo with 72 773 residents. Most of them are between 18 and 64 years old (790 180), followed by residents up to 18 years of age (201 202) and those aged over 65 (183 049). The average age in the field is 38.3 years.

The population density at the end of 2000 was 909.1 people per km². According to some printed publications, the actual population of the capital is over 2 million people. According to official statements, every year the province of Sofia is permanently settled from between 25,000 and 45,000 people. This has caused many problems for the city - overcrowding, increasing number of cars, air pollution, street traffic, building crisis, lack of parking space, and so on.

According to the calculation in 2011, the population of Sofia consists of the following ethnic groups: 1 136 000 Bulgarians (96%); 18 300 Roma (1.5%); 6 500 Turks (0.6%), around 17 000 people have identified another ethnic group or have not identified themselves. There is no difference in the percentages of these three main ethnic groups in the capital compared to the 2001 calculation; as a number, the only major difference is among the Bulgarian population, which has risen by 12 000. The 2001 calculation also lists a few smaller communities in Sofia, including 3100 Russians, 1700 Armenians, 1200 Greeks.

Settlements

Balsha, Bankya, Bistritsa, Busmantsi, Buhovo, Vladaya, Voynegovtsi, Voluyak, German, Gorni Bogrov, Dobroslavci, Dolni Bogrov, Dolni Pasarel, Zheleznitsa, Zhelyava, Zhiten, Ivaniane, Kazichene, Klisura, Kokalyane, Krivina, Kubratovo, Katina, Lozen , Lokorsko, Malo Buchino, Mirovyane, Mramor, Marchaevo, Negovan, Novi Iskar, Pancharevo, Plana, Podgumer, Svetovrachene, Sofia, Chepintsi, Yana

Neighbourhoods physically separated from the built-up part of the capital:

Trebich, Chelopechene, Botunets, Kremikovtzi, Seslavtsi

Neighbourhoods in the built-up part of Sofia, far away from the main residential part of the city, separated by industrial zones:

Iliyantsi, Orlandovtsi, Malashevtsi, Benkovski, Abdovitsa, Dimitar Milenkov

CURIOUS FACTS ABOUT SOFIA

Sofia was announced for the capital of Bulgaria 131 years ago.

Three international transport corridors intersect in Sofia.

1/3 of the first budget of Sofia from 1879 goes to lighting.

The first light bulb was lit in Sofia on July 1, 1879 for the solemn welcome of Prince Alexander Batenberg in the city.

The first telephone conversation in Sofia took place in 1884.