# East Bolaang Mongondow Regency

East Bolaang Mongondow Regency is a regency of North Sulawesi Province of Indonesia. It was created on 24 June 2008 by splitting off districts which were previously the eastern part of Bolaang Mongondow Regency. It covers a land area of 866.37 sq km and had a population of 63,654 at the 2010 Census, rising to 87,241 at the 2020 Census; the official estimate as at mid 2023 was 90,787 (comprising 47,376 males and 43,311 females). The principal town lies at Tutuyan.

## Administration

At the time of the 2010 Census, the Regency was divided into five districts (kecamatan). However in 2016 two additional districts were created - Mooat District and Motongkad District. The districts are tabulated below with their areas and their populations at the 2010 Census and the 2020 Census, together with the official estimates as at mid 2023. The table also includes the locations of the district administrative centres, the numbers of administrative villages (all classed as rural desa) in each district, and its postal code.
| Kode Wilayah | Name of District (kecamatan) | Area in km$^2$ | Pop'n Census 2010 | Pop'n Census 2020 | Pop'n Estimate mid 2023 | Admin centre | No. of villages | Post code |
| 71.10.03 | Nuangan $^{(a)}$ | 133.81 | 12,935 | 10,269 | 10,414 | Nuangan | 11 | 95786 |
| 71.10.06 | Motongkad | 122.67 | $^{(b)}$ | 7,935 | 8,103 | Motongkad | 11 | 95785 |
| 71.10.01 | Tutuyan | 156.30 | 11,224 | 15,484 | 15,674 | Tutuyan | 10 | 95783 |
| 71.10.02 | Kotabunan $^{(c)}$ | 133.83 | 11,003 | 16,005 | 16,942 | Kotabunan | 15 | 95782 |
| 71.10.04 | Modayag | 190.06 | 18,613 | 18,847 | 18,964 | Modayag III | 14 | 95780 |
| 71.10.07 | Mooat $^{(d)}$ | 92.28 | $^{(e)}$ | 6,956 | 7,346 | Mooat | 10 | 95784 |
| 71.10.05 | Modayag Barat | 37.43 | 9,879 | 12,745 | 13,344 | Moyongkota | 10 | 95781 |
| | Totals | 866.37 | 63,654 | 87,241 | 90,787 | Tutuyan | 81 |
Notes: (a) including three offshore islands. (b) the 2010 population of Motongkad District is included in the figure for Nuangan District, from which it was cut out in 2016. (c) the most northerly district within the regency, including four offshore islands. (d) a Christian majority district. (e) the 2010 population of Mooat District is included in the figure for Modayag District, from which it was cut out in 2016.

## Climate

Tutuyan, the seat of the regency has a tropical rainforest climate (Af) with moderate rainfall in August and September and heavy rainfall in the remaining months.
Climate data for Tutuyan :
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Mean daily maximum °C (°F) | 29.7 (85.5) | 29.7 (85.5) | 30.0 (86.0) | 30.8 (87.4) | 30.8 (87.4) | 30.8 (87.4) | 30.7 (87.3) | 31.3 (88.3) | 31.6 (88.9) | 31.5 (88.7) | 31.1 (88.0) | 30.1 (86.2) | 30.7 (87.2) |
| Daily mean °C (°F) | 26.0 (78.8) | 26.0 (78.8) | 26.3 (79.3) | 26.6 (79.9) | 26.8 (80.2) | 26.7 (80.1) | 26.6 (79.9) | 26.8 (80.2) | 26.8 (80.2) | 26.7 (80.1) | 26.9 (80.4) | 26.3 (79.3) | 26.5 (79.8) |
| Mean daily minimum °C (°F) | 22.4 (72.3) | 22.4 (72.3) | 22.6 (72.7) | 22.5 (72.5) | 22.9 (73.2) | 22.7 (72.9) | 22.5 (72.5) | 22.3 (72.1) | 22.0 (71.6) | 22.0 (71.6) | 22.7 (72.9) | 22.6 (72.7) | 22.5 (72.4) |
| Average rainfall mm (inches) | 269 (10.6) | 217 (8.5) | 213 (8.4) | 207 (8.1) | 200 (7.9) | 173 (6.8) | 134 (5.3) | 95 (3.7) | 93 (3.7) | 132 (5.2) | 207 (8.1) | 232 (9.1) | 2,172 (85.4) |
| Source: Climate-Data.org ||||||||||||||