Preferences of fish and shellfish and their eating frequency were investigated in 171 households in Hiroshima prefecture. They were divided into four groups by their living regions. These regions were Hiroshima city, suburban (local) cities, farming regions and farming or fishery regions. Data were analyzed by ANOVA and multiple linear regressions. There was relationship between frequencies of fish and shellfish intake and size of family members in all four groups significantly. Among four groups, frequencies of fish and shellfish intake were the highest in people who lived in Hiroshima city and the lowest that in suburban (local) cities. It showed that consumers choice of fish and shellfish might be dependent on their residence regions. People who live in Hiroshima city had taken advantage of their convenient environment and eaten variety of fish and shellfish dishes.