# Vilyuysky District

Vilyuysky District (Russian: Вилю́йский улу́с; Yakut: Бүлүү улууһа, romanized: Bülüü uluuha,) is an administrative and municipal district (raion, or ulus), one of the thirty-four in the Sakha Republic, Russia. It is located in the western central part of the republic and borders with Zhigansky District in the northeast, Kobyaysky District in the east, Gorny District in the south, Verkhnevilyuysky District in the west, and with Olenyoksky District in the northwest. The area of the district is 55,200 square kilometers (21,300 sq mi). Its administrative center is the town of Vilyuysk. Population: 25,222 (2010 Census); 25,696 (2002 Census); 28,704 (1989 Soviet census). The population of Vilyuysk accounts for 40.6% of the district's total population.

## Geography

Main rivers in the district include the Vilyuy and its tributaries the Tyung and Chybyda, as well as the Tympylykan and Lungkha tributaries of the Lena.

## History

The district was established on January 9, 1930.

## Demographics

As of the 2021 Census, the ethnic composition was as follows:
* Yakuts: 87.4%
* Russians: 9.1%
* Evens: 2.1%
* other ethnicities: 1.4%

## Economy

The economy of the district is mostly based on agriculture.

## Inhabited localities

Municipal composition :
| Towns / Cities | Population | Male | Female | Inhabited localities in jurisdiction |
| Vilyuysk Urban Settlement (Вилюйск) | 10,537 | 4,669 (45.6%) | 5,565 (54.4%) | Town of Vilyuysk (administrative centre of the district) selo of Sosnovka |
| Urban settlements | Population | Male | Female | Inhabited localities in jurisdiction |
| Kysyl-Syr Urban Settlement (Кысыл-Сыр) | 3,106 | 1,578 (50.8%) | 1,528 (49.2%) | Urban-type settlement of Kysyl-Syr |
| Rural settlements | Population | Male | Female | Rural localities in jurisdiction* |
| Arylakhsky Nasleg (Арылахский наслег) | 1,051 | 511 (48.6%) | 540 (51.4%) | selo of Khampa |
| Bappagayinsky Nasleg (Баппагайинский наслег) | 651 | 306 (47.0%) | 345 (53.0%) | selo of Ilbenge selo of Arylakh selo of Sortol |
| Bekcheginsky Nasleg (Бекчегинский наслег) | 477 | 245 (51.4%) | 232 (48.6%) | selo of Betyung |
| Borogonsky Nasleg (Борогонский наслег) | 479 | 239 (49.9%) | 240 (50.1%) | selo of Chay |
| Yekyundinsky Nasleg (Екюндинский наслег) | 321 | 146 (45.5%) | 175 (54.5%) | selo of Yekyundyu |
| Zhemkonsky Nasleg (Жемконский наслег) | 483 | 250 (51.8%) | 233 (48.2%) | selo of Ebya |
| Kyrgydaysky Nasleg (Кыргыдайский наслег) | 554 | 279 (50.4%) | 275 (49.6%) | selo of Satagay |
| Kyuletsky 1-y Nasleg (Кюлетский 1-й наслег) | 801 | 396 (49.4%) | 405 (50.6%) | selo of Usun |
| Kyuletsky 2-y Nasleg (Кюлетский 2-й наслег) | 412 | 209 (50.7%) | 203 (49.3%) | selo of Kyulekyan |
| Lyokyochyonsky Nasleg (Лёкёчёнский наслег) | 428 | 211 (49.3%) | 217 (50.7%) | selo of Lyokyochyon |
| Tasagarsky Nasleg (Тасагарский наслег) | 544 | 277 (50.9%) | 267 (49.1%) | selo of Tasagar |
| Togussky Nasleg (Тогусский наслег) | 601 | 288 (47.9%) | 313 (52.1%) | selo of Balagachchy selo of Seyat |
| Pervyy Togussky Nasleg (Первый Тогусский наслег) | 534 | 268 (50.2%) | 266 (49.8%) | selo of Tympy |
| Tylgyninsky Nasleg (Тылгынинский наслег) | 644 | 300 (46.6%) | 344 (53.4%) | selo of Terbyas |
| Khagynsky Nasleg (Хагынский наслег) | 424 | 206 (48.6%) | 218 (51.4%) | selo of Kirovo |
| Khalbakinsky Nasleg (Халбакинский наслег) | 743 | 362 (48.7%) | 381 (51.3%) | selo of Tosu selo of Starovatovo |
| Chernyshevsky Nasleg (Чернышевский наслег) | 945 | 471 (49.8%) | 474 (50.2%) | selo of Chineke |
| Chochunsky Nasleg (Чочунский наслег) | 868 | 444 (51.2%) | 424 (48.8%) | selo of Sydybyl selo of Kyunde |
| Yugyulyatsky Nasleg (Югюлятский наслег) | 619 | 324 (52.3%) | 295 (47.7%) | selo of Kyubyainde |
Divisional source: Population source: *Administrative centers are shown in bold