here (place physically close to the speaker, place pointed by the speaker while explaining); this place
現在地は、ここです
Our current location is here
these last (followed by a duration noun and a past sentence: time period before the present time of the speaker)
ここ数日、寒い日が続いています
These last several days have been cold
these next ... (followed by a duration noun and a non past sentence: time period after the present time of the speaker); the next ...
ここ数日、天気が変わるでしょう
These next days, the weather will change