How to import csv geo files (points)

In the csv file, change id field name to h-id and have longitude and latitude values in decimal degrees.

In Heurist:
Add data / Import / Delimited text (csv, tsv).
Upload csv file.
Line separator: autodetect
Click analyse data.
Continue.
In "Specify identifier and date columns" screen, tick as and if appropriate and select Heurist map document.
Click continue.

In "Select primary record type and dependencies", select Heurist map document
and check "Location (places)" field.

In matching page, tick the fields to be inserted and ALWAYS include required field(s) in selection. For Name, select Name of place.
For Longitude and Latitude fields, select Description and Extended description, respectively,
and then click Match against existing records.

Next, for Longitude select geo: logitude
and for Latitude select geo: latitude.
Then prepare, proceed, start/insert update.