Yōga Sūtra 3.01

देशबन्धश्चित्तस्य धारणा।

dēśabandhaścittasya dhāraṇā।

[देश बन्धः चित्तस्य धारणा।
dēśa = a region; bandhaḥ = binding to; cittasya = consciousness; dhāraṇā = is dharana, like wearing a cloth;]

Binding the consciousness to a region is dhārana.