Leith - YLT (one of the oldest in the city)
Clermiston - Subdivided into "factions" (more like one group of pals Vs. Another) known as YCJ or "young clerry jungle"
Drylaw - YMD
Pilton - YPD (pilton "derry" think this links with the long running protestant community in pilton)
SouthSide. Newington - YSS with a particuluar reputation for numbers and use of weapons
EYT - most interesting and recently in the news. mostly a mix of youths from around the city who have claimed a patch of town in edinburghs east end as their "turf"
TYT - tranent young team. essentially after anyone from edinburgh
The McGoverns are a crime family famous in edinburgh that are a type of scottish "mafia".
To say that edinburgh has no gang culture is ridiculous. Scotland as a whole may have one of the highest number of gangs for its population in europe. The above is just a few of the endless number of youth gangs in edinburgh.
Fife just across the the Firth of Forth also has a large gang precense (i.e. the lochkellie boys and AV Toi)