Si Yaek Maha Nak
Si Yaek Maha Nak 
    สี่แยกมหานาค  | |
|---|---|
Khlong Phadung Krung Kasem in the Khlong Maha Nak sub-district, Pom Prap Sattru Phai district, the opposite side is Mahanak Market in Si Yaek Maha Nak area.  | |
Location in Dusit District  | |
| Country | Thailand | 
| Province | Bangkok | 
| Khet | Dusit | 
| Area | |
 • Total  | 0.339 km2 (0.131 sq mi) | 
| Population  (2018)  | |
 • Total  | 7,422 | 
| • Density | 21,893.81/km2 (56,704.7/sq mi) | 
| Time zone | UTC+7 (ICT) | 
| Postal code | 10300  | 
| TIS 1099 | 100204 | 
Si Yaek Maha Nak (Thai: สี่แยกมหานาค, pronounced [sìː jɛ̂ːk mā.hǎː nâːk]) is a sub-district (khwaeng) of Dusit district, Bangkok.