Where is 'The O.C.' set?

In what year did 'Arrested Development' premiere? Who created 'Arrested Development'? On which network did 'The O.C.' originally air? In what year did 'The O.C.' premiere? Who created 'The O.C.'? On which network did 'Two and a Half Men' originally air? In what year did 'Two and a Half Men' premiere? Where is 'Two and a Half Men' set?