Create a leaflet map object.
library(leaflet)
map <- leaflet() %>% addTiles()
3 cities in india -Mumbai -New Delhi -Surat
Create a marker with a link to its wikipedia.
map %>% addMarkers(lng=72.88261, lat=19.07283, popup="<a href='https://en.wikipedia.org/wiki/Mumbai'>Mumbai (or Bombay)</a>") %>%
addMarkers(lng= 77.216721, lat=28.6448, popup="<a href='https://en.wikipedia.org/wiki/New_Delhi'>New Delhi</a>") %>%
addMarkers(lng = 72.8311, lat = 21.1702, popup = "<a href='https://en.wikipedia.org/wiki/Surat'>Surat</a>") %>%
setView (lat=20.5637, lng=78.9629, zoom=5)