| Village | Koyu |
| Block | Koyu |
| District | East Siang |
| State | Arunachal Pradesh |
| Country | India |
| Continent | Asia |
| Time Zone | IST ( UTC + 05:30) |
| Currency | Indian Rupee ( INR ) |
| Dialing Code | +91 |
| Date format | dd/mm/yyyy |
| Driving side | left |
| Internet cTLD | in |
| Language | English |
| Time difference | -45 minutes |
| Latitude | 27.14 |
| Longitude | 93.61 |
Koyu is a village panchayat located in the East Siang district of Arunachal-Pradesh state,India. The latitude 27.14 and longitude 93.61 are the geocoordinate of the Koyu.
The native language of Koyu is English and most of the village people speak English. Koyu people use English language for communication.
Koyu village is located in the UTC 5.30 time zone and it follows indian standard time(IST). Koyu sun rise time varies -45 minutes from IST. The vehicle driving side in Koyu is left, all vehicles should take left side during driving. Koyu people are using its national currency which is Indian Rupee and its internationl currency code is INR. Koyu phones and mobiles can be accesed by adding the indian country dialing code +91 from abroad. Koyu people are following the dd/mm/yyyy date format in day-to-day life. Koyu domain name extension( cTLD) is .in .