No.
The locations that you saw outside were real places however interior places such as the Command Center, Rita's Palace, the Youth Center, Lord Zedd's Chamber of Commands and other places such as in Trini's house or even in Billy's lab which is in his Parents' garage, those interior locations were typically built inside a studio. Exterior shots of the Youth Center, Billy's house, the Command Center and Angel Grove High School were however shots of real life locations.
Yes
Yes in atlanta georga there are the grove street bloods and the ballers for proof search on youtube waka flocka grove street party grove street is a real gang . And so is the ballers
Hollywood, California.
in the episode it is in the Hollywood sign but it isn't real
Leven Rambin plays Rosie the Angel
No it is a fictional place and the setting for the Scream movies.
As you see in he end of season one it will take place in the real world
The book Little House on the Prairie was based in Kansas. The television series was based in De Smet, South Dakota. The tv show Little House on the Prairie starring Michael Landon and Melissa Gilbert was based in Walnut Grove, Minnesota where the book On the Banks of Plum Creek was centered.
Khriz's real name is Christian Colon Rolon and Angel's real name is Angel Rivera Guzman
San Andreas is a real place. To look for it your self look on google map. Type San Andreas California