Knowledge and awareness concerning sexually transmuted diseases (STDs) has become the burning issue of the day. Although STDs pose serious risks to health security, there is very little literature quantifying the knowledge and awareness of these diseases. The aim/of this study /was to determine knowledge and awareness, about STDs among the people in a selected area of Bangladesh. In this descriptive type of cross sectional study an attempt has been made to know the knowledge and awareness among 200 adult people from Keraniganj Upazilla of Dhaka district. Pre-tested questionnaire was used for data collection which includes information regards to STD. The data were compiled and tabulated manually according to key variable-in master sheet. Finally data were analyzed in computer. Majority participants (63%) were female. Most of the individual as 15-25 age group (34%) followed by 26-35 age group (28.5%) and 36-45 age group (23%). The majority of the respondents (82.5%) stated that they had knowledge about STDs, and (17.5%) of them did not have any knowledge at all. Majority (67.5%) acquired the knowledge from media, followed by (21%) friends and (14%) doctors. Out of 200 respondents thought the risk group of STDs mainly identified as by sex worker followed by professional blood donor, drug addict, and bus or truck drivers. Almost 26.5% respondents thought that STDs could be prevented by using condom, avoiding illegal sexual contact (34%4. religious binding (32%), raising social awareness (27%). safe blood donation. It is considered that the awareness and knowledge about the STDs are increasing than the other previous studies but some information needs to be addressed more for affective impact. The findings of this study are believed to serve as an useful basis for further research and planning.