Archdiocese of Colombo Sri Lanka

The Diocese of Ceylon was erected by Vicariate Apostolic of Cochin (Cocincina)

A territory was Lost from the Diocese of Ceylon & Vicariate Apostolic of Jaffna was erected.

The Diocese of Colombo was Elevated as Archdiocese of Colombo.

The Archdiocese of Colombo was elevated & became a Metropolitan.

A territory was Lost from the Archdiocese of Colombo & Diocese of Galle was erected.

The territory was lost from Archdiocese of Colombo Diocese of Jaffna & Diocese of Trincomalee was erected

The territory was Lost from Archdiocese of Colombo & Diocese of Chilaw was erected

The name was changed from Archdiocese of Colombo in Ceylon to Archdiocese of Colombo