The image shows a sign in Vietnamese language, which appears to be related to a Red Cross organization. The sign is written in Vietnamese and contains the following text:

"Lớp tập huấn kỹ năng sơ cấp cứu cơ bản" which translates to "Basic first aid training class."

Below this main text, there is another line of text in Vietnamese that reads:

"Học tại hội trung tâm lụu 1" which translates to "Study at the center of the Lus 1."

The sign is mounted on a wall and is located in a public or educational setting, possibly a school or community center.