Traditionally, Mahavideh Kshetra is described as having an extent of 1 lakh yojanas east–west and 1 lakh yojanas north–south. It is also divided into 32 vijayas (provinces). ( herenow4u.net)
Explanation
In Jain cosmology, Mahavideh Kshetra is a very large karmabhūmi region within Jambūdvīpa. The tradition usually gives its cosmological dimensions rather than a modern square-kilometre area. ( herenow4u.net)
Spiritual Understanding
Mahavideh Kshetra is considered spiritually significant because, in Jain belief, it is one of the regions where Tirthankaras are present and dharma is preached. ( jainpedia.org)
Takeaway
So, the simple traditional answer is: Mahavideh Kshetra = 1 lakh yojanas by 1 lakh yojanas, divided into 32 vijayas. ( herenow4u.net)