The markup for the ancient city of Sparta is close to finished. Roughly 3 paragraphs remaining in chapter 18 book 3. After this Pausanias moves on to talk about structures in other towns in Messenia. Hopefully we can find a decent source, if not then perhaps just placing the structures in the general city location will suffice for the remainder of book 3, which ends on chapter 24. Sparta was the more important one to markup in detail and some resources are available to help identify more accurate locations.