Groundwater is closest to the Earth's surface in areas with high precipitation and low evaporation. This is because these areas have a higher water table, which is the upper level of the groundwater.

Here are some specific examples:

* Coastal regions: The water table is often close to the surface in coastal areas due to the influence of the ocean.

* Low-lying areas: Groundwater is typically closer to the surface in valleys and plains compared to hills and mountains.

* Areas with high rainfall: Areas with heavy rainfall have more water infiltrating the ground, raising the water table.

* Areas with dense vegetation: Plants help to increase infiltration and reduce evaporation, keeping the water table high.

However, it's important to note that the depth of groundwater can vary significantly even within these areas. Factors like soil type, rock permeability, and human activities can all influence the location of the water table.