Most common location for chronic gastric ulcer:: (A) Pylorus of stomach, (B) Lesser curve near proximal stomach, (C) Lesser curve near incisura, (D) Greater curvature
Answer is C. Ref. API Textbook of Medicine. Pg. 812
 
Most common site -lesser curve near incisura angularis .

Duodenal ulcer -Most common site -1st part of duodenum (overall most common site for peptic ulcer)
Most common complication of peptic ulcer is gastrointestinal bleeding because of the erosions of gastroduodenal artery.