registered football club), yet reapplied for membership in the BFU under a different legal body (a newly formed club successor of the previous), causing re-licensing and slight change of name but continuation of the team. Levels The football clubs in the list are divided into five hierarchical categories which represent the five levels of the Bulgarian football pyramid with Level 1 being the top league and Level 5 being the bottom league in the system. The hierarchical format of the pyramid has promotion and relegation between leagues at different levels at the end of each cycle (season), allowing self-sustaining system of better playing teams joining the higher levels. Throughout the years, the various levels have had different names, number of participants and structure. Generally, the top level has always been a single league, while the lower levels have consisted of a various number of divisions specified geographically and running simultaneously. For instance, up to and including season 2011-12 the second tier of Bulgarian football consisted of two leagues: East and West divisions of the Bulgarian B Professional Football Group; also, the third level continues to have four divisions (South-West, South-East, North-East, and North-West) that run in parallel. Despite changes in the official names of the leagues the levels are commonly referred to as follows: Level 1: A Group Level 2: B Group Level 3: V Group Level 4: A Oblast Group Level 5: B Oblast Group As of season 2013-14 the official names and structure of the five levels of Bulgarian football are: Level 1 - A Professional Football Group A PFG has one division of 14 clubs in it Level 2 - B Professional Football Group B PFG has one division of 14 clubs in it Level 3 - V Amateur Football Group V AFG has four divisions - North-East with 16 clubs, North-West with 16 clubs, South-West with 16 clubs, South-East with 18 clubs Level 4 - A Oblast Football Groups There are forty-five (45) divisions from the different districts in Bulgaria that run in parallel, forming 45 A OFGs. The number of teams varies by division. Level 5 - B Oblast Football Groups There are seventeen (17) divisions from the different districts in Bulgaria running simultaneously throughout the season. A various number of teams comprises each of the 17 B OFGs While there is an abundance of Level 4 regional groups, there is a considerably smaller number