system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Most common location for chronic gastric ulcer:
assistant
The correct answer is  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.