R Markdown

library(knitr)
library(leaflet)
## Warning: package 'leaflet' was built under R version 3.6.3
## This version of Shiny is designed to work with 'htmlwidgets' >= 1.5.
##     Please upgrade via install.packages('htmlwidgets').
library(dplyr)
## 
## Attaching package: 'dplyr'
## The following objects are masked from 'package:stats':
## 
##     filter, lag
## The following objects are masked from 'package:base':
## 
##     intersect, setdiff, setequal, union
my_map <- leaflet() %>%
  addTiles()

my_map <- my_map %>%
  addMarkers(lat=16.0453782, lng=73.4592143,
             popup="Sindhudurg Fort : once of the Maratha Empire fort built on island")
my_map