BhagvadGita :

Bhagvad Geeta is written by Maharshi Ved Vyash.
The Holi Book Bhagvad Geera is basically framing of dilogues between GOD Sri Krishna and Arjun (Pandav).

There are total 18 'Adhyay' and 700 Sloka in Bhagvad Geeta.

All 'Adhyay' framed with different concept name as below:

1-Adhyay-01
"Arjun Vishad Yog"
= 47 Sloka
    

2-Adhyay-02
   Sankhya Yog 
   72 Sloka

3-Adhyay-03 
   "Karma Yog"
   43 Sloka
 

4-Adhyay-04
   "Gyan Karm Sanyas Yog"
   42 Sloka

5-Adhyay-05
   "Karm Sanyas Yog"
   29 Sloka

6-Adhyay-06
   "Atmasanyam Yog"
   47 Sloka

7-Adhyay-07
   "Gyan Vigyan Yog"
   30 Sloka

8-Adhyay-08
   "Aksharbrahm Yog"
   28 Sloka

9-Adhyay-09
   "Rajvidyaraj Yog
    34 Sloka

10-Adhyay-10
    "Vibhuti Yog
     42 Sloka

11-Adhyay-11
     "Vishvarup Darshan Yog"
     55 Sloka

12-Adhyay-12
     "Bhakti Yog"
     20 Sloka

13-Adhyay-13
    "KshetraKshetragna Vibhag Yog"
     34 Sloka

14-Adhyay-14
     "Gunatray Vibhag Yog"
      27 Sloka

15-Adhyay-15
     "Purushottam Yog
     20 Sloka

16-Adhyay-16
    "Daivasursampadvibhag Yog"
    24 Sloka

17-Adhyay-17
     "Shraddhatray Vibhag Yog"
     28 Sloka

18-Adhyay-18
     "Mokshsanyas Yog"
     78 Sloka

Sri Krushna :
Arjun :
Sanjay  :
Dhrutrastra :