def get_impact_area_name(impact_area_id: int):
    """Map impact area names and impact area ids."""
    impact_area_names = {
        -1: "all",
        100: "Disasters & Climate Resilience",
        200: "Sustainable Cities & Communities",
        300: "Public Health",
        400: "Displacement and Migration",
        500: "Gender & Equality",
    }
    return impact_area_names[impact_area_id]