spatial
The "spatial" property can be used in cases when more specific properties (e.g. <a class="localLink" href="http://schema.org/locationCreated">locationCreated</a>, <a class="localLink" href="http://schema.org/spatialCoverage">spatialCoverage</a>, <a class="localLink" href="http://schema.org/contentLocation">contentLocation</a>) are not known to be appropriate.
spatial
The "spatial" property can be used in cases when more specific properties (e.g. <a class="localLink" href="http://schema.org/locationCreated">locationCreated</a>, <a class="localLink" href="http://schema.org/spatialCoverage">spatialCoverage</a>, <a class="localLink" href="http://schema.org/contentLocation">contentLocation</a>) are not known to be appropriate.