An expression meaning 'in some places' or 'in certain locations'; often used in contexts like weather forecasts (e.g. 'rain in places').
明日はところにより雨が降るでしょう。
Tomorrow there will be rain in some places.
道はところによりぬかるんでいるので気をつけてください。
Parts of the road are muddy in places, so please be careful.
会場はところにより混雑が予想されます。
Some parts of the venue are expected to be crowded.