Checked 29 September 2026. District boundaries, headquarters and statistics require matching dates and official sources.

Government of India integrated directory: 28 AP districts

https://igod.gov.in/sg/AP/E042/organizations

Alluri district history: 26-to-28 transition and Polavaram

https://allurisitharamaraju.ap.gov.in/history/

Markapuram district official profile

https://markapuram.ap.gov.in/about-district/

Markapuram district map and gazette register

https://markapuram.ap.gov.in/document-category/district-profile/

Annamayya district revenue divisions

https://annamayya.ap.gov.in/revenue-division/

Dr B R Ambedkar Konaseema official profile

https://konaseema.ap.gov.in/about-district/

West Godavari official profile

https://westgodavari.ap.gov.in/about-district/

Sri Sathya Sai official profile

https://srisathyasai.ap.gov.in/about-district/

APSDMA current district boundary layer

https://apsdmagis.ap.gov.in/heatwave/today_map/districts.geojson

AP Space Applications Centre GIS services

https://apsac.ap.gov.in/?page_id=1075

Annamayya collectorate, Madanapalle administration

https://annamayya.ap.gov.in/collectorate/